IT955571B - ELECTRIC FILAMENT LAMP - Google Patents

ELECTRIC FILAMENT LAMP

Info

Publication number
IT955571B
IT955571B IT24422/72A IT2442272A IT955571B IT 955571 B IT955571 B IT 955571B IT 24422/72 A IT24422/72 A IT 24422/72A IT 2442272 A IT2442272 A IT 2442272A IT 955571 B IT955571 B IT 955571B
Authority
IT
Italy
Prior art keywords
filament lamp
electric filament
electric
lamp
filament
Prior art date
Application number
IT24422/72A
Other languages
Italian (it)
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT955571B publication Critical patent/IT955571B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
IT24422/72A 1971-05-19 1972-05-16 ELECTRIC FILAMENT LAMP IT955571B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106852A NL7106852A (en) 1971-05-19 1971-05-19

Publications (1)

Publication Number Publication Date
IT955571B true IT955571B (en) 1973-09-29

Family

ID=19813199

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24422/72A IT955571B (en) 1971-05-19 1972-05-16 ELECTRIC FILAMENT LAMP

Country Status (8)

Country Link
US (1) US3764845A (en)
BE (1) BE783623A (en)
CA (1) CA956692A (en)
DE (1) DE2223444A1 (en)
FR (1) FR2138148B1 (en)
GB (1) GB1325658A (en)
IT (1) IT955571B (en)
NL (1) NL7106852A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8004030A (en) * 1980-07-14 1982-02-16 Philips Nv ELECTRIC LIGHT BULB.
US5146134A (en) * 1990-03-15 1992-09-08 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Halogen incandescent lamp, particularly for operation from power networks, and method of its manufacture
CA2082764C (en) * 1991-12-09 2002-06-04 Guenter E. Talmon-Gros Light bulb filament dampening system
GB2300553B (en) * 1995-03-10 1999-07-28 Ge Lighting Ltd Heat source
EP1897117A2 (en) * 2005-06-24 2008-03-12 Koninklijke Philips Electronics N.V. Halogen incandescent lamp and method for manufacturing such a lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2037217A (en) * 1934-04-17 1936-04-14 Heintz & Kaufman Ltd Cathode
US2218346A (en) * 1938-07-08 1940-10-15 Spaeth Charles Gas-filled incandescent electric lamp
US3590305A (en) * 1969-02-26 1971-06-29 Westinghouse Electric Corp Incandescent projection lamp having a prealigned proximity reflector and filament mount assembly

Also Published As

Publication number Publication date
FR2138148A1 (en) 1972-12-29
CA956692A (en) 1974-10-22
FR2138148B1 (en) 1973-07-13
NL7106852A (en) 1972-11-21
US3764845A (en) 1973-10-09
GB1325658A (en) 1973-08-08
DE2223444A1 (en) 1972-11-30
BE783623A (en) 1972-11-17

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